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  1. P0234 code (stock tune)

    Fixed it. Bad bypass valve.
  2. 2.5" Exhaust Guidance

    Too bad you have a 'vert, the MBRP is as sweet as it comes. I've often wondered why the MBRP is not compatible with convertibles 😕
  3. Road Trip 2021

    Road Trip 2021

    Pictures of my car from my 2021 road trip home
  4. IMG_20210629_075918167_HDR.jpg

    IMG_20210629_075918167_HDR.jpg

  5. P0234 code (stock tune)

    Hi At 107,000 miles, with the stock tune. I just got a P0234 code taking off at WOT from the dealership parking lot :cwl: My only mod is a recently installed MBRP Street catback exhaust... The computer dialed me back, hard. I can't make more than 5 PSI boost now. Question 1: what causes...
  6. 2016 Ecoboost Premium Misfire

    Only if it's a Performance Package vehicle (unless someone modded it). PP cars have oil pressure and boost gauges in the center console (replacing one of the three "eyeball" HVAC vents), and fake brushed carbon fiber on the dash inset...
  7. Electronic burning smell under hood

    Had it towed home(AAA), taking it to the local tire shop on Monday (who quoted me a much better price), sourcing a rebuilt alternator. I trust these people, worked on lots of my cars before...
  8. Electronic burning smell under hood

    Anyone know why it would be over $500 in labor to replace the alternator? Part itself is $589 from Ford (w/core exchange)
  9. 2016 Ecoboost Premium Misfire

    While you're at it, spend $35 and change the Low Pressure Fuel Sensor. A failing one is a common cause of misfires in EcoBoost Mustangs.
  10. Electronic burning smell under hood

    Dealer's saying it's the alternator, and is quoting me over 1 grand to repair it. I told them that's a hell no diagnosis. Anyone know it it would be possible to spill oil into the alternator via carelessness?
  11. Electronic burning smell under hood

    Hi, 100% stock car. Just took it in for an oil change. When the lot attendant drove my car out, I smelled an acrid smell (burning electronics smell). It was after the service department went home, so I elected to drive the car home. Nothing obviously wrong with the car. The smell...
  12. Courtesy light in trunk out

    Okay, so I've got a stupid one. Car is 3.5 years old with 75k miles. I use my trunk everyday (breifcase). The courtesy light quit working (you know, the one that's supposed to come on when you open the trunk). Is it incandescent or LED? Anyone else had this issue? Daily driven car....
  13. Highest mileage and longest period with original evaporator core?

    67K now, still on the factory core...been using my AC quite a bit this summer! (She's a daily driver...).
  14. Sensor failings. You could have one too!

    I put this through Google Translate, and the poster is asking the question "Is my sensor dead now?" When I've seen the sensor die in my own car, it was reading off scale high, and showing the highest pressure at all times (Lowside Fuel Pressure Actual), with lots of misfires...
  15. So this happened (theft)

    Start hangin' out at Mustang shows...and look for cars that didn't have a 2018+ GT rear valance/quad tipped exhaust that are now sporting one :cwl:
  16. Long Term Reliability (125k + miles)

    Amazing. The best tune they've got is roughly the equivalent of the Ford Performance tune for the Ecoboost...the only thing they've really got on us is AWD and about 300 lbs. less weight...
  17. Long Term Reliability (125k + miles)

    If you look for the highest mileage thread (not Ecoboost-specific), one guy bought an engineering mule/press test drive car used. It was an ecoboost. He has 112k miles on it (at last count). No issues :thumbsup: Also, the fact that our engine is the old MazdaSpeed 3 engine...that should...
  18. Why the heck did you buy a V6 S550?

    Ford sort of did...the V6 had a 3.55 rear end available for 2015-2016 (not many of those in the wild...). For 2017, the bigger diff was only available on the v6 'vert....
  19. 2018 mustang GT PP oil gauge

    I've heard the Euro Ecoboost cars are basically the same as the US Performance Package, but with a 3.31 axle instead of the 3.55 we get here (carbon tax :crying: ). You get the bigger radiator (necessary for going faster than 120 MPH), plus the GT brakes, and the PP suspension tuning. I'm...
  20. 2018 mustang GT PP oil gauge

    I believe there's an oil pressure sending unit (separate from the low pressure switch, which triggers the low oil pressure light). IIRC, on the Ecoboost, it takes the hole normally occupied by a freeze plug. I believe it is also the same hole in the block used for the engine block heater if...


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